#include <bits/stdc++.h>
using namespace std;
void in(int *a) {
  char ch;
  while ((ch = getchar()) < '0' || ch > '9')
    ;
  for (*a = 0; ch >= '0' && ch <= '9'; ch = getchar()) *a = *a * 10 + ch - '0';
}

int main() {
  int a;
  in(&a);
  printf("%d\n", a);
  return 0;
}
